Key Points

• Continued increase in bronchiolitis surveillance indicators among children under 2 years of age;

• Eight new regions have entered the epidemic phase: Auvergne-Rhône-Alpes, Bourgogne-Franche-Comté, Brittany, Centre-Val de Loire, Grand Est, French Guiana, Normandy, and Pays de la Loire;

• Transition to the pre-epidemic phase in Mayotte.